try ready baked solution

.github/workflows/table_of_contents.yml

@@ -67,13 +67,8 @@ jobs:
           fi
 
       # Step 7 - Commit and Push generated Table Of Contents files
-      - name: Commit and Push Changes
-        if: steps.check_changes.outputs.has_changes == 'true'
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: |
-          git config --global user.name "${{ github.actor }}"
-          git config --global user.email "${{ github.actor }}@users.noreply.github.com"
-          git add table-of-contents-files/*
-          git commit -m "Autogenerate table of contents files from GitHub action - $(date '+%Y-%m-%d %H:%M:%S')"
-          git push origin HEAD:update_table_of_contents
+      - uses: stefanzweifel/git-auto-commit-action@v5
+        with:
+          commit_message: "Autogenerate table of contents files from GitHub action - $(date '+%Y-%m-%d %H:%M:%S')"
+          branch: update_table_of_contents
+          file_pattern: 'table-of-contents-files/*'